Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/admin/course_list.php

285 lines
16 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This script shows a list of courses and allows searching for courses codes
* and names
* @package chamilo.admin
*/
/* INIT SECTION */
// Language files that need to be included.
$language_file = array('admin', 'courses');
$cidReset = true;
require_once '../inc/global.inc.php';
$this_section = SECTION_PLATFORM_ADMIN;
api_protect_admin_script();
require_once api_get_path(LIBRARY_PATH).'course.lib.php';
require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
require_once api_get_path(LIBRARY_PATH).'sortabletable.class.php';
require_once '../gradebook/lib/be/gradebookitem.class.php';
require_once '../gradebook/lib/be/category.class.php';
/**
* Get the number of courses which will be displayed
*/
function get_number_of_courses() {
$course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
$sql = "SELECT COUNT(code) AS total_number_of_items FROM $course_table";
global $_configuration;
if ((api_is_platform_admin() || api_is_session_admin()) && $_configuration['multiple_access_urls'] && api_get_current_access_url_id() != -1) {
$access_url_rel_course_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sql.= " INNER JOIN $access_url_rel_course_table url_rel_course ON (code=url_rel_course.course_code)";
}
if (isset ($_GET['keyword'])) {
$keyword = Database::escape_string($_GET['keyword']);
$sql .= " WHERE (title LIKE '%".$keyword."%' OR code LIKE '%".$keyword."%' OR visual_code LIKE '%".$keyword."%')";
}
elseif (isset ($_GET['keyword_code'])) {
$keyword_code = Database::escape_string($_GET['keyword_code']);
$keyword_title = Database::escape_string($_GET['keyword_title']);
$keyword_category = Database::escape_string($_GET['keyword_category']);
$keyword_language = Database::escape_string($_GET['keyword_language']);
$keyword_visibility = Database::escape_string($_GET['keyword_visibility']);
$keyword_subscribe = Database::escape_string($_GET['keyword_subscribe']);
$keyword_unsubscribe = Database::escape_string($_GET['keyword_unsubscribe']);
$sql .= " WHERE (code LIKE '%".$keyword_code."%' OR visual_code LIKE '%".$keyword_code."%') AND title LIKE '%".$keyword_title."%' AND category_code LIKE '%".$keyword_category."%' AND course_language LIKE '%".$keyword_language."%' AND visibility LIKE '%".$keyword_visibility."%' AND subscribe LIKE '".$keyword_subscribe."'AND unsubscribe LIKE '".$keyword_unsubscribe."'";
}
// adding the filter to see the user's only of the current access_url
if ((api_is_platform_admin() || api_is_session_admin()) && $_configuration['multiple_access_urls'] && api_get_current_access_url_id() != -1) {
$sql.= " AND url_rel_course.access_url_id=".api_get_current_access_url_id();
}
$res = Database::query($sql);
$obj = Database::fetch_object($res);
return $obj->total_number_of_items;
}
/**
* Get course data to display
*/
function get_course_data($from, $number_of_items, $column, $direction) {
$course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
$users_table = Database :: get_main_table(TABLE_MAIN_USER);
$course_users_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$sql = "SELECT code AS col0, visual_code AS col1, title AS col2, course_language AS col3, category_code AS col4, subscribe AS col5, unsubscribe AS col6, tutor_name as col7, code AS col8, visibility AS col9,directory as col10 FROM $course_table";
//$sql = "SELECT code AS col0, visual_code AS col1, title AS col2, course_language AS col3, category_code AS col4, subscribe AS col5, unsubscribe AS col6, code AS col7, tutor_name as col8, code AS col9, visibility AS col10,directory as col11 FROM $course_table";
global $_configuration;
if ((api_is_platform_admin() || api_is_session_admin()) && $_configuration['multiple_access_urls'] && api_get_current_access_url_id() != -1) {
$access_url_rel_course_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sql.= " INNER JOIN $access_url_rel_course_table url_rel_course ON (code=url_rel_course.course_code)";
}
if (isset ($_GET['keyword'])) {
$keyword = Database::escape_string(trim($_GET['keyword']));
$sql .= " WHERE (title LIKE '%".$keyword."%' OR code LIKE '%".$keyword."%' OR visual_code LIKE '%".$keyword."%' ) ";
} elseif (isset ($_GET['keyword_code'])) {
$keyword_code = Database::escape_string($_GET['keyword_code']);
$keyword_title = Database::escape_string($_GET['keyword_title']);
$keyword_category = Database::escape_string($_GET['keyword_category']);
$keyword_language = Database::escape_string($_GET['keyword_language']);
$keyword_visibility = Database::escape_string($_GET['keyword_visibility']);
$keyword_subscribe = Database::escape_string($_GET['keyword_subscribe']);
$keyword_unsubscribe = Database::escape_string($_GET['keyword_unsubscribe']);
$sql .= " WHERE (code LIKE '%".$keyword_code."%' OR visual_code LIKE '%".$keyword_code."%') AND title LIKE '%".$keyword_title."%' AND category_code LIKE '%".$keyword_category."%' AND course_language LIKE '%".$keyword_language."%' AND visibility LIKE '%".$keyword_visibility."%' AND subscribe LIKE '".$keyword_subscribe."'AND unsubscribe LIKE '".$keyword_unsubscribe."'";
}
// Adding the filter to see the user's only of the current access_url.
if ((api_is_platform_admin() || api_is_session_admin()) && $_configuration['multiple_access_urls'] && api_get_current_access_url_id() != -1) {
$sql.= " AND url_rel_course.access_url_id=".api_get_current_access_url_id();
}
$sql .= " ORDER BY col$column $direction ";
$sql .= " LIMIT $from,$number_of_items";
$res = Database::query($sql);
$courses = array ();
while ($course = Database::fetch_row($res)) {
// Place colour icons in front of courses.
//$course[1] = '<nobr>'.get_course_visibility_icon($course[9]).'<a href="'.api_get_path(WEB_COURSE_PATH).$course[9].'/index.php">'.$course[1].'</a></nobr>';
$course[1] = '<nobr>'.get_course_visibility_icon($course[9]).'<a href="'.api_get_path(WEB_COURSE_PATH).$course[8].'/index.php">'.$course[1].'</a></nobr>';
$course[5] = $course[5] == SUBSCRIBE_ALLOWED ? get_lang('Yes') : get_lang('No');
$course[6] = $course[6] == UNSUBSCRIBE_ALLOWED ? get_lang('Yes') : get_lang('No');
//$course[7] = CourseManager :: is_virtual_course_from_system_code($course[7]) ? get_lang('Yes') : get_lang('No');
//$course_rem = array($course[0], $course[1], $course[2], $course[3], $course[4], $course[5], $course[6], $course[7], $course[8], $course[9]);
$course_rem = array($course[0], $course[1], $course[2], $course[3], $course[4], $course[5], $course[6], $course[7], $course[8]);
$courses[] = $course_rem;
}
return $courses;
}
/**
* Filter to display the edit-buttons
*/
function modify_filter($code) {
return
'<a href="course_information.php?code='.$code.'">'.Display::return_icon('synthese_view.gif', get_lang('Info')).'</a>&nbsp;'.
//'<a href="../course_home/course_home.php?cidReq='.$code.'">'.Display::return_icon('course_home.gif', get_lang('CourseHomepage')).'</a>&nbsp;'. // This is not the preferable way to go to the homepage.
'<a href="'.api_get_path(WEB_COURSE_PATH).$code.'/index.php">'.Display::return_icon('course_home.gif', get_lang('CourseHomepage')).'</a>&nbsp;'.
'<a href="../tracking/courseLog.php?cidReq='.$code.'">'.Display::return_icon('statistics.gif', get_lang('Tracking')).'</a>&nbsp;'.
'<a href="course_edit.php?course_code='.$code.'">'.Display::return_icon('edit.gif', get_lang('Edit')).'</a>&nbsp;'.
'<a href="course_list.php?delete_course='.$code.'" onclick="javascript: if (!confirm('."'".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES))."'".')) return false;">'.Display::return_icon('delete.gif', get_lang('Delete')).'</a>'.
'<a href="../coursecopy/backup.php?cidReq='.$code.'">'.Display::return_icon('backup.gif', get_lang('CreateBackup')).'</a>&nbsp;';
}
/**
* Return an icon representing the visibility of the course
*/
function get_course_visibility_icon($v) {
$path = api_get_path(REL_CODE_PATH);
$style = 'margin-bottom:-5px;margin-right:5px;';
switch($v) {
case 0:
return Display::return_icon('bullet_red.gif', get_lang('CourseVisibilityClosed'), array('style' => $style));
break;
case 1:
return Display::return_icon('bullet_orange.gif', get_lang('Private'), array('style' => $style));
break;
case 2:
return Display::return_icon('bullet_green.gif', get_lang('OpenToThePlatform'), array('style' => $style));
break;
case 3:
return Display::return_icon('bullet_blue.gif', get_lang('OpenToTheWorld'), array('style' => $style));
break;
default:
return '';
}
}
if (isset ($_POST['action'])) {
switch ($_POST['action']) {
// Delete selected courses
case 'delete_courses' :
$course_codes = $_POST['course'];
if (count($course_codes) > 0) {
foreach ($course_codes as $index => $course_code) {
CourseManager :: delete_course($course_code);
$obj_cat=new Category();
$obj_cat->update_category_delete($course_code);
}
}
break;
}
}
if (isset ($_GET['search']) && $_GET['search'] == 'advanced') {
// Get all course categories
$table_course_category = Database :: get_main_table(TABLE_MAIN_CATEGORY);
$interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
$interbreadcrumb[] = array('url' => 'course_list.php', 'name' => get_lang('CourseList'));
$tool_name = get_lang('SearchACourse');
Display :: display_header($tool_name);
//api_display_tool_title($tool_name);
$form = new FormValidator('advanced_course_search', 'get');
$form->addElement('header', '', $tool_name);
$form->add_textfield('keyword_code', get_lang('CourseCode'), false);
$form->add_textfield('keyword_title', get_lang('Title'), false);
$categories = array();
$categories_select = $form->addElement('select', 'keyword_category', get_lang('CourseFaculty'), $categories);
CourseManager::select_and_sort_categories($categories_select);
$el = & $form->addElement('select_language', 'keyword_language', get_lang('CourseLanguage'));
$el->addOption(get_lang('All'), '%');
$form->addElement('radio', 'keyword_visibility', get_lang("CourseAccess"), get_lang('OpenToTheWorld'), COURSE_VISIBILITY_OPEN_WORLD);
$form->addElement('radio', 'keyword_visibility', null, get_lang('OpenToThePlatform'), COURSE_VISIBILITY_OPEN_PLATFORM);
$form->addElement('radio', 'keyword_visibility', null, get_lang('Private'), COURSE_VISIBILITY_REGISTERED);
$form->addElement('radio', 'keyword_visibility', null, get_lang('CourseVisibilityClosed'), COURSE_VISIBILITY_CLOSED);
$form->addElement('radio', 'keyword_visibility', null, get_lang('All'), '%');
$form->addElement('radio', 'keyword_subscribe', get_lang('Subscription'), get_lang('Allowed'), 1);
$form->addElement('radio', 'keyword_subscribe', null, get_lang('Denied'), 0);
$form->addElement('radio', 'keyword_subscribe', null, get_lang('All'), '%');
$form->addElement('radio', 'keyword_unsubscribe', get_lang('Unsubscription'), get_lang('AllowedToUnsubscribe'), 1);
$form->addElement('radio', 'keyword_unsubscribe', null, get_lang('NotAllowedToUnsubscribe'), 0);
$form->addElement('radio', 'keyword_unsubscribe', null, get_lang('All'), '%');
$form->addElement('style_submit_button', 'submit', get_lang('SearchCourse'),'class="search"');
$defaults['keyword_language'] = '%';
$defaults['keyword_visibility'] = '%';
$defaults['keyword_subscribe'] = '%';
$defaults['keyword_unsubscribe'] = '%';
$form->setDefaults($defaults);
$form->display();
} else {
$interbreadcrumb[] = array ('url' => 'index.php', "name" => get_lang('PlatformAdmin'));
$tool_name = get_lang('CourseList');
Display :: display_header($tool_name);
if (isset($_GET['action'])) {
switch ($_GET['action']) {
case 'show_msg':
if (!empty($_GET['warn'])) {
Display::display_warning_message(urldecode($_GET['warn']));
}
if (!empty($_GET['msg'])) {
Display::display_normal_message(urldecode($_GET['msg']));
}
break;
default:
break;
}
}
//api_display_tool_title($tool_name);
if (isset ($_GET['delete_course'])) {
CourseManager :: delete_course($_GET['delete_course']);
$obj_cat = new Category();
$obj_cat->update_category_delete($_GET['delete_course']);
}
// Create a search-box
$form = new FormValidator('search_simple', 'get', '', '', 'width=200px', false);
$renderer =& $form->defaultRenderer();
$renderer->setElementTemplate('<span>{element}</span> ');
$form->addElement('text', 'keyword', get_lang('keyword'));
$form->addElement('style_submit_button', 'submit', get_lang('SearchCourse'), 'class="search"');
$form->addElement('static', 'search_advanced_link', null, '<a href="course_list.php?search=advanced">'.get_lang('AdvancedSearch').'</a>');
echo '<div style="float: right; margin-top: 5px; margin-right: 5px;">';
if (api_get_setting('course_validation') != 'true') {
echo '<a href="course_add.php">'.Display::return_icon('course_add.gif', get_lang('AddCourse')).get_lang('AddCourse').'</a>';
} else {
echo '<a href="course_request_review.php">'.Display::return_icon('course_request_pending.png', get_lang('ReviewCourseRequests')).'&nbsp;'.get_lang('ReviewCourseRequests').'</a>';
}
echo '</div>';
echo '<div class="actions">';
$form->display();
echo '</div>';
// Create a sortable table with the course data
$table = new SortableTable('courses', 'get_number_of_courses', 'get_course_data', 2);
$parameters=array();
if (isset ($_GET['keyword'])) {
$parameters = array ('keyword' => Security::remove_XSS($_GET['keyword']));
} elseif (isset ($_GET['keyword_code'])) {
$parameters['keyword_code'] = Security::remove_XSS($_GET['keyword_code']);
$parameters['keyword_title'] = Security::remove_XSS($_GET['keyword_title']);
$parameters['keyword_category'] = Security::remove_XSS($_GET['keyword_category']);
$parameters['keyword_language'] = Security::remove_XSS($_GET['keyword_language']);
$parameters['keyword_visibility'] = Security::remove_XSS($_GET['keyword_visibility']);
$parameters['keyword_subscribe'] = Security::remove_XSS($_GET['keyword_subscribe']);
$parameters['keyword_unsubscribe'] = Security::remove_XSS($_GET['keyword_unsubscribe']);
}
$table->set_additional_parameters($parameters);
$table->set_header(0, '', false, 'width="8px"');
$table->set_header(1, get_lang('Code'));
$table->set_header(2, get_lang('Title'));
$table->set_header(3, get_lang('Language'), true, 'width="70px"');
$table->set_header(4, get_lang('Category'));
$table->set_header(5, get_lang('SubscriptionAllowed'), true, 'width="60px"');
$table->set_header(6, get_lang('UnsubscriptionAllowed'), false, 'width="50px"');
//$table->set_header(7, get_lang('IsVirtualCourse'));
$table->set_header(7, get_lang('Teacher'));
$table->set_header(8, get_lang('Action'), false, 'width="145px"');
$table->set_column_filter(8, 'modify_filter');
$table->set_form_actions(array('delete_courses' => get_lang('DeleteCourse')), 'course');
$table->display();
}
/* FOOTER */
Display :: display_footer();